125025243455 has 32 divisors (see below), whose sum is σ = 174333841920. Its totient is φ = 84297237120.

The previous prime is 125025243451. The next prime is 125025243481. The reversal of 125025243455 is 554342520521.

It is not a de Polignac number, because 125025243455 - 2² = 125025243451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125025243451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7547492 + ... + 7564038.

It is an arithmetic number, because the mean of its divisors is an integer number (5447932560).

Almost surely, 2^125025243455 is an apocalyptic number.

125025243455 is a deficient number, since it is larger than the sum of its proper divisors (49308598465).

125025243455 is a wasteful number, since it uses less digits than its factorization.

125025243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 125025243455 its reverse (554342520521), we get a palindrome (679367763976).

The spelling of 125025243455 in words is "one hundred twenty-five billion, twenty-five million, two hundred forty-three thousand, four hundred fifty-five".